* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
+#include <errno.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#ifndef HAVE_GETOPT_LONG
#include "wsutil/wsgetopt.h"
#endif
+#include "ws_attributes.h"
enum extcap_options {
EXTCAP_BASE_OPTIONS_ENUM
char * dltdescription;
} extcap_interface;
+typedef struct _extcap_option {
+ char * optname;
+ char * optdesc;
+} extcap_option_t;
+
+FILE* custom_log = NULL;
+
#ifdef _WIN32
BOOLEAN IsHandleRedirected(DWORD handle)
{
extcap->interfaces = g_list_append(extcap->interfaces, (gpointer) iface);
}
-void extcap_base_set_util_info(extcap_parameters * extcap, const char * major, const char * minor, const char * release, const char * helppage)
+void extcap_base_set_util_info(extcap_parameters * extcap, const char * exename, const char * major, const char * minor, const char * release, const char * helppage)
{
+ extcap->exename = g_path_get_basename(exename);
+
g_assert(major);
+ if (!minor)
+ g_assert(!release);
+
extcap->version = g_strdup_printf("%s%s%s%s%s",
major,
minor ? "." : "",
extcap->helppage = g_strdup(helppage);
}
-uint8_t extcap_base_parse_options(extcap_parameters * extcap, int result, char * optargument )
+static void extcap_custom_log(const gchar *log_domain,
+ GLogLevelFlags log_level,
+ const gchar *message,
+ gpointer user_data)
+{
+ if (log_level & G_LOG_LEVEL_DEBUG) {
+ if (!custom_log)
+ return;
+ fprintf(custom_log, "%s\n", message);
+ fflush(custom_log);
+ } else {
+ g_log_default_handler(log_domain, log_level, message, user_data);
+ }
+}
+
+uint8_t extcap_base_parse_options(extcap_parameters * extcap, int result, char * optargument)
{
switch (result) {
case EXTCAP_OPT_DEBUG:
setenv("G_MESSAGES_DEBUG", "all", 1);
#endif
break;
+ case EXTCAP_OPT_DEBUG_FILE:
+ extcap_init_custom_log(optargument);
+ g_log_set_default_handler(extcap_custom_log, NULL);
+ break;
case EXTCAP_OPT_LIST_INTERFACES:
extcap->do_list_interfaces = 1;
break;
case EXTCAP_OPT_VERSION:
+ extcap->ws_version = g_strdup(optargument);
extcap->do_version = 1;
break;
case EXTCAP_OPT_LIST_DLTS:
g_free(iface);
}
+static void extcap_help_option_free(gpointer option)
+{
+ extcap_option_t* o = (extcap_option_t*)option;
+ g_free(o->optname);
+ g_free(o->optdesc);
+ g_free(o);
+}
+
void extcap_base_cleanup(extcap_parameters ** extcap)
{
- /* g_list_free_full() only exists since 2.28. g_list_free_full((*extcap)->interfaces, extcap_iface_free);*/
- g_list_foreach((*extcap)->interfaces, (GFunc)extcap_iface_free, NULL);
- g_list_free((*extcap)->interfaces);
+ g_list_free_full((*extcap)->interfaces, extcap_iface_free);
+ g_free((*extcap)->exename);
g_free((*extcap)->fifo);
g_free((*extcap)->interface);
g_free((*extcap)->version);
g_free((*extcap)->helppage);
+ g_free((*extcap)->help_header);
+ g_free((*extcap)->ws_version);
+ g_list_free_full((*extcap)->help_options, extcap_help_option_free);
g_free(*extcap);
*extcap = NULL;
}
+static void extcap_print_option(gpointer option, gpointer user_data _U_)
+{
+ extcap_option_t* o = (extcap_option_t*)option;
+ printf("\t%s: %s\n", o->optname, o->optdesc);
+}
+
+void extcap_help_print(extcap_parameters * extcap)
+{
+ printf("\nWireshark - %s v%s\n\n", extcap->exename, extcap->version);
+ printf("Usage:\n");
+ printf("%s", extcap->help_header);
+ printf("\n");
+ printf("Options:\n");
+ g_list_foreach(extcap->help_options, extcap_print_option, NULL);
+ printf("\n");
+}
+
+void extcap_help_add_option(extcap_parameters * extcap, const char * help_option_name, const char * help_option_desc)
+{
+ extcap_option_t* o = g_new0(extcap_option_t, 1);
+ o->optname = g_strdup(help_option_name);
+ o->optdesc = g_strdup(help_option_desc);
+
+ extcap->help_options = g_list_append(extcap->help_options, o);
+}
+
+void extcap_help_add_header(extcap_parameters * extcap, char * help_header)
+{
+ extcap->help_header = g_strdup(help_header);
+ extcap_help_add_option(extcap, "--extcap-interfaces", "list the extcap Interfaces");
+ extcap_help_add_option(extcap, "--extcap-dlts", "list the DLTs");
+ extcap_help_add_option(extcap, "--extcap-interface <iface>", "specify the extcap interface");
+ extcap_help_add_option(extcap, "--extcap-config", "list the additional configuration for an interface");
+ extcap_help_add_option(extcap, "--capture", "run the capture");
+ extcap_help_add_option(extcap, "--extcap-capture-filter <filter>", "the capture filter");
+ extcap_help_add_option(extcap, "--fifo <file>", "dump data to file or fifo");
+ extcap_help_add_option(extcap, "--extcap-version", "print tool version");
+ extcap_help_add_option(extcap, "--debug", "print additional messages");
+ extcap_help_add_option(extcap, "--debug-file", "print debug messages to file");
+}
+
+void extcap_init_custom_log(const char* filename)
+{
+ if (!filename || strlen(filename) == 0)
+ return;
+ custom_log = fopen(filename, "w");
+ if (!custom_log)
+ g_error("Can't open custom log file: %s (%s)", filename, strerror(errno));
+}
+
+void extcap_config_debug(unsigned* count)
+{
+ printf("arg {number=%u}{call=--debug}{display=Run in debug mode}"
+ "{type=boolean}{default=false}{tooltip=Print debug messages}{required=false}"
+ "{group=Debug}\n", (*count)++);
+ printf("arg {number=%u}{call=--debug-file}{display=Use a file for debug}"
+ "{type=string}{tooltip=Set a file where the debug messages are written}{required=false}"
+ "{group=Debug}\n", (*count)++);
+}
+
+void extcap_cmdline_debug(char** ar, const unsigned n)
+{
+ GString* cmdline = g_string_new("cmdline: ");
+ unsigned i;
+ for (i = 0; i < n; i++)
+ g_string_append_printf(cmdline, "%s ", ar[i]);
+ g_debug("%s", cmdline->str);
+ g_string_free(cmdline, TRUE);
+}
+
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
- * tab-width: 8
- * indent-tabs-mode: t
+ * tab-width: 4
+ * indent-tabs-mode: nil
* End:
*
- * vi: set shiftwidth=4 tabstop=8 noexpandtab:
- * :indentSize=4:tabSize=8:noTabs=false:
+ * vi: set shiftwidth=4 tabstop=4 expandtab:
+ * :indentSize=4:tabSize=4:noTabs=true:
*/
git.samba.org / metze / wireshark / wip.git / blobdiff